body {
  background-color: #fff;
}
header {
  height: 50px;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 20px;
}
.main {
  margin-top: 90px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
.main .iconfont {
  color: #3DD4A7;
  font-size: 40px;
}
.main span {
  margin-top: 10px;
}
.main p {
  margin-top: 10px;
  color: #999999;
}
.but {
  width: 350px;
  margin: 0 auto;
  margin-top: 45px;
}
.but button {
  width: 350px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid #cccccc;
  background-color: #fff;
  color: #2561EF;
  font-size: 16px;
}
